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Refinements to the LIMIT patch (1823) for ticket #749. (CVS 1825)

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FossilOrigin-Name: 9d4f43f030438b3e7358032de2e04132b80e04a8
This commit is contained in:
drh
2004-07-19 23:38:11 +00:00
parent ea48eb2eef
commit bab39e1358
4 changed files with 23 additions and 19 deletions
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15
test/limit.test
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@ -12,7 +12,7 @@
# focus of this file is testing the LIMIT ... OFFSET ... clause
# of SELECT statements.
#
# $Id: limit.test,v 1.14 2004/07/19 23:16:39 drh Exp $
# $Id: limit.test,v 1.15 2004/07/19 23:38:11 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -90,7 +90,6 @@ do_test limit-3.1 {
}
} {50 51 52 53 54}
btree_breakpoint
do_test limit-4.1 {
execsql {
BEGIN;
@ -295,17 +294,23 @@ do_test limit-7.12 {
}
} {30}
# Tests for limit in conjunction with distinct
# Tests for limit in conjunction with distinct. The distinct should
# occur before both the limit and the offset. Ticket #749.
#
do_test limit-8.1 {
execsql {
SELECT DISTINCT x/100 FROM t3 LIMIT 5;
SELECT DISTINCT round(x/100) FROM t3 LIMIT 5;
}
} {0 1 2 3 4}
do_test limit-8.2 {
execsql {
SELECT DISTINCT x/100 FROM t3 LIMIT 5 OFFSET 5;
SELECT DISTINCT round(x/100) FROM t3 LIMIT 5 OFFSET 5;
}
} {5 6 7 8 9}
do_test limit-8.3 {
execsql {
SELECT DISTINCT round(x/100) FROM t3 LIMIT 5 OFFSET 25;
}
} {25 26 27 28 29}
finish_test